Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hv_vcpu_config_create() is documented in <Hypervisor/hv_vcpu_config.h>
as:
/*!
@abstract Creates a vcpu configuration object.
@result A new vcpu configuration object. This should be released with os_release when no longer used.
*/
OS_OBJECT_RETURNS_RETAINED OS_WARN_RESULT
hv_vcpu_config_t hv_vcpu_config_create(void);
Release the memory allocated by hv_vcpu_config_create() with
os_release().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The VirtMachineClass::kvm_no_adjvtime field was only used by the
virt-4.2 machine, which got removed. Remove it as now unused, but
keep the ARMCPU homonym property.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20251020094022.68768-5-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This machine has been supported for a period of more than 6 years.
According to our versioned machine support policy (see commit
ce80c4fa6f "docs: document special exception for machine type
deprecation & removal") it can now be removed.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20251020094022.68768-4-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The VirtMachineClass::no_ged field was only used by virt-4.1
machine, which got removed. Remove it as now unused.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20251020094022.68768-3-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This machine has been supported for a period of more than 6 years.
According to our versioned machine support policy (see commit
ce80c4fa6f "docs: document special exception for machine type
deprecation & removal") it can now be removed.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20251020094022.68768-2-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Before commit f76cee647c ("target/arm: Introduce mmu indexes for
GCS") it was impossible for arm_to_core_mmu_idx() to return an
invalid core MMU index, because NB_MMU_MODES was 16 and
ARM_MMU_IDX_COREIDX_MASK was 0xf.
That commit raises ARM_MMU_IDX_COREIDX_MASK to 0x1f and NB_MMU_MODES
to 22, so it's now possible for a bogus Arm mmu index to result in an
out of range core mmu index (which can then get used as an array
index in the CPUTLB struct arrays). Coverity complains that this
might result in an out-of-bounds access.
The out-of-bounds access can't happen because we construct all the
ARMMMUIdx values we will use for TLBs to have valid core MMU indexes
in the COREIDX field. But we can add an assert() so that if we ever
do end up operating on a corrupted or wrong ARMMMUIdx value we get an
assert rather than silently indexing off the end of an array. This
should also make Coverity happier.
Coverity: CID 1641404
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20251023101339.1983809-1-peter.maydell@linaro.org
Currently our security policy defines a "virtualization use case"
where we consider bugs to be security issues, and a
"non-virtualization use case" where we do not make any security
guarantees and don't consider bugs to be security issues.
The rationale for this split is that much code in QEMU is older and
was not written with malicious guests in mind, and we don't have the
resources to audit, fix and defend it. So instead we inform users
about what the can in practice rely on as a security barrier, and
what they can't.
We don't currently restrict the "virtualization use case" to any
particular set of machine types. This means that we have effectively
barred ourselves from adding KVM support to any machine type that we
don't want to put into the "bugs are security issues" category, even
if it would be useful for users to be able to get better performance
with a trusted guest by enabling KVM. This seems an unnecessary
restriction, and in practice the set of machine types it makes
sense to use for untrusted-guest virtualization is quite small.
Specifically, we would like to be able to enable the use of
KVM with the imx8 development board machine types, but we don't
want to commit ourselves to having to support those SoC models
and device models as part of QEMU's security boundary:
https://lore.kernel.org/qemu-devel/20250629204851.1778-3-shentey@gmail.com/
This patch updates the security policy to explicitly list the
machine types we consider to be useful for the "virtualization
use case".
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20251016131159.750480-1-peter.maydell@linaro.org
Acked-by: Markus Armbruster <armbru@redhat.com>
The virt machine now supports creating multiple SMMUv3 instances, each
associated with a separate PCIe root complex.
Update the documentation with an example.
Signed-off-by: Shameer Kolothum <skolothumtho@nvidia.com>
[PMM: some minor wording tweaks]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
uint8_t is good enough to hold a property "between 0 and 0xff".
Define pullups/pulldowns properties using DEFINE_PROP_UINT8()
macro, remove unnecessary range checks in pl061_realize().
Update the two caller sites.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Make hw/arm/ common by adding a QOM type to machines to
tag in which binary (32 or 64-bit) they can be used.
Convert the Virt and SBSA-Ref machines.
- Build Xen files once
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Merge tag 'single-binary-20251030' of https://github.com/philmd/qemu into staging
Various patches related to single binary work:
- Make hw/arm/ common by adding a QOM type to machines to
tag in which binary (32 or 64-bit) they can be used.
Convert the Virt and SBSA-Ref machines.
- Build Xen files once
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# gpg: Signature made Thu 30 Oct 2025 02:50:38 PM CET
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* tag 'single-binary-20251030' of https://github.com/philmd/qemu: (23 commits)
hw/riscv: Replace target_ulong uses
hw/xen: Build only once
hw/xen: Replace target_ulong by agnostic target_long_bits()
hw/xen: Use BITS_PER_BYTE & MAKE_64BIT_MASK() in req_size_bits()
hw/arm/meson: Move Xen files to arm_common_ss[]
hw/arm/virt: Build only once
hw/arm/virt-acpi-build: Build only once
hw/arm/virt-acpi-build: Include missing 'cpu.h' header
hw/arm/sbsa-ref: Build only once
hw/arm/sbsa-ref: Include missing 'cpu.h' header
hw/arm/virt: Get default CPU type at runtime
hw/arm/virt: Replace TARGET_AARCH64 -> target_aarch64()
qemu/target_info: Add target_base_arm() helper
qemu/target_info: Add target_aarch64() helper
qemu/target_info: Add target_arm() helper
hw/arm/virt: Check accelerator availability at runtime
hw/arm/virt: Register valid CPU types dynamically
config/target: Implement per-binary TargetInfo structure (ARM, AARCH64)
meson: Prepare to accept per-binary TargetInfo structure implementation
hw/arm: Filter machine types for qemu-system-arm/aarch64 binaries
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20251027-feature-single-binary-hw-v1-v2-2-44478d589ae9@rev.ng>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Now than hw/xen/ files don't use any target-specific code,
we can build all file units once, removing the need for the
xen_specific_ss[] source set.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Message-Id: <20251022140114.72372-4-philmd@linaro.org>
Both are equivalent:
target_long_bits()
sizeof(target_u?long) * BITS_PER_BYTE
Prefer the former which is target-agnostic.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Message-Id: <20251022140114.72372-3-philmd@linaro.org>
Replace magic 8 by BITS_PER_BYTE, use MAKE_64BIT_MASK()
instead of open coding it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Message-Id: <20251022140114.72372-2-philmd@linaro.org>
Previous commits removed the TARGET_AARCH64 uses in virt.c,
we can now move it to arm_common_ss[] and build it once.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021210934.60483-1-philmd@linaro.org>
Previous commits removed the target-specificities,
we can now move virt-acpi-build.c to arm_common_ss[].
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021210144.58108-9-philmd@linaro.org>
Since previous commit allowed the use of accelerator definitions
in common code, we can now move sbsa-ref.c to arm_common_ss[].
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021210144.58108-7-philmd@linaro.org>
"cpu.h" is indirectly pulled in by another header. Include
it explicitly in order to avoid when changing default CPPFLAGS path:
hw/arm/sbsa-ref.c:162:25: error: use of undeclared identifier 'ARM_DEFAULT_CPUS_PER_CLUSTER'
162 | uint8_t clustersz = ARM_DEFAULT_CPUS_PER_CLUSTER;
| ^
hw/arm/sbsa-ref.c:163:12: error: call to undeclared function 'arm_build_mp_affinity'
163 | return arm_build_mp_affinity(idx, clustersz);
| ^
hw/arm/sbsa-ref.c:746:25: error: use of undeclared identifier 'QEMU_PSCI_CONDUIT_DISABLED'
746 | sms->psci_conduit = QEMU_PSCI_CONDUIT_DISABLED;
| ^
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021210144.58108-6-philmd@linaro.org>
Prefer MachineClass::get_default_cpu_type() over
MachineClass::default_cpu_type to get CPU type,
evaluating TCG availability at runtime calling
tcg_enabled().
It's worth noting that this is a behavior change:
- Previously only
./configure --disable-tcg --enable-kvm
./qemu-system-aarch64 -M virt -accel kvm
would default to 'max' and
./configure --enable-tcg --enable-kvm
./qemu-system-aarch64 -M virt -accel kvm
would default to 'cortex-a15'.
- Afterward, -accel kvm will always default to 'max'.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhang Chen <zhangckid@gmail.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021210144.58108-5-philmd@linaro.org>
Replace the target-specific TARGET_AARCH64 definition
by a call to the generic target_aarch64() helper.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021210144.58108-4-philmd@linaro.org>
Add a helper to check whether the target base architecture
is ARM (either 32-bit or 64-bit).
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021210144.58108-3-philmd@linaro.org>
Add a helper to distinct whether the binary is targetting
Aarch64 or not.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021210144.58108-2-philmd@linaro.org>
Add a helper to distinct whether the binary is targetting
ARM (32-bit only) or not.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021210144.58108-1-philmd@linaro.org>
It is not possible to call accelerator runtime helpers
when QOM types are registered, because they depend on
the parsing of the '-accel FOO' command line option,
which happens after main().
Now than get_valid_cpu_types() is called after
accelerator initializations, it is safe to call the
accelerator helpers:
main
+ configure_accelerators
+ qmp_x_exit_preconfig
+ qemu_init_board
+ machine_run_board_init
+ is_cpu_type_supported
Replace compile-time check on CONFIG_{ACCEL} by
runtime check on {accel}_enabled() helpers.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021210840.60112-1-philmd@linaro.org>
Replace the static array returned as MachineClass::valid_cpu_types[]
by a runtime one generated by MachineClass::get_valid_cpu_types()
once the machine is created (its options being processed).
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021211135.61179-1-philmd@linaro.org>
Implement the TargetInfo structure for qemu-system-arm
and qemu-system-aarch64 binaries.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021205741.57109-7-philmd@linaro.org>
If a file defining the binary TargetInfo structure is available,
link with it. Otherwise keep using the stub.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021205741.57109-6-philmd@linaro.org>
- Expose block limits in monitor and qemu-img info
- Resize: Refresh filter node size when its child was resized
- Support configuring stats-intervals in -device (instead of only -drive)
- luks: Fix QMP x-blockdev-amend crash and image creation with detached-header
- iotests: Several test case fixes
- Code cleanups
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging
Block layer patches
- Expose block limits in monitor and qemu-img info
- Resize: Refresh filter node size when its child was resized
- Support configuring stats-intervals in -device (instead of only -drive)
- luks: Fix QMP x-blockdev-amend crash and image creation with detached-header
- iotests: Several test case fixes
- Code cleanups
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# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 29 Oct 2025 01:02:10 PM CET
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
qemu-img info: Add cache mode option
qemu-img info: Optionally show block limits
block: Expose block limits for images in QMP
block: Improve comments in BlockLimits
iotests: add test for resizing a 'file' node below a 'raw' node
iotests: add test for resizing a node below filters
block: implement 'resize' callback for child_of_bds class
block: make bdrv_co_parent_cb_resize() a proper IO API function
include/block/block_int-common: document when resize callback is used
MAINTAINERS: Mark VHDX block driver as "Odd Fixes"
block: enable stats-intervals for storage devices
iotests: Adjust fuse-allow-other expected output
iotests: Adjust nbd expected outputs to match current behavior
block/curl.c: Fix CURLOPT_VERBOSE parameter type
block/monitor: Use hmp_handle_error to report error
block: fix luks 'amend' when run in coroutine
block: remove 'detached-header' option from opts after use
tests/qemu-iotests: Mark the 'inactive-node-nbd' as unsupported with -luks
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
A machine defined with the DEFINE_MACHINE_ARM() macro will
be available in both qemu-system-arm and qemu-system-aarch64
binaries.
One defined with DEFINE_MACHINE_AARCH64() will only be
available in the qemu-system-aarch64 binary.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021205741.57109-4-philmd@linaro.org>
When we'll start to use target_machine_typename() to filter
machines for the ARM/Aarch64 binaries, the 'none' machine
would be filtered. Register the proper interfaces to keep
it available.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021205741.57109-3-philmd@linaro.org>
Define the TYPE_TARGET_ARM_MACHINE and TYPE_TARGET_AARCH64_MACHINE
QOM interface names to allow machines to implement them.
Register these interfaces in common code in target_info-qom.c used
by all binaries because QOM interfaces must be registered before
being checked (see next commit with the 'none' machine).
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20251021205741.57109-2-philmd@linaro.org>
fstat returns 0 on success and -1 on error. Since we have already
checked for error, ret must be zero. Therefore, any call to fstat on a
non-empty file will return -1/EOVERFLOW.
Restore the original logic that just did a byteswap. I don't really know
what the intention of the fixed commit was.
Fixes: a6300ed6b7 ("semihosting: Split out semihost_sys_flen")
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-ID: <20251027110344.2289945-36-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
The format string for %s has two format characters. This causes it to
emit strings like "466f5bd8/6x" instead of "466f5bd8/6". GDB detects
this and returns EIO, causing all open File I/O calls to fail.
Fixes: 0820a075af ("gdbstub: Adjust gdb_do_syscall to only use uint32_t and uint64_t")
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20251027110344.2289945-35-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
The whole point of SBSA_REF is for testing firmware which by
definition requires TCG. This means the configuration of:
--disable-tcg --with-devices-aarch64=minimal
makes no sense (and indeed is broken for the
ubuntu-24.04-aarch64-notcg) test. Drop it from minimal and remove the
allow_failure from the test case.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20251027110344.2289945-34-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Most of the memory callbacks come directly from the generated code
however we have do have a a direct from C callback for the slow-path
and memory helpers.
There is also a reset callback that calls out to plugins.
Like the other plugin points we need to disable CFI as we are making
function calls to dynamically linked libraries.
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/3175
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20251027110344.2289945-33-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This test aims at catching API misbehaviour w.r.t. the interaction
between interrupts and memory accesses, such as the bug fixed in
27f347e6a1
(accel/tcg: also suppress asynchronous IRQs for cpu_io_recompile)
Because the condition for triggering misbehaviour may not be
deterministic and the cross-section between memory accesses and
interrupt handlers may be small, we have to place our trust in large
numbers. Instead of guessing/trying an arbitrary, fixed loop-bound, we
decided to loop for a fixed amount of real-time. This avoids the test
running into a time-out on slower machines while enabling a high number
of possible interactions on faster machines.
The test program sends a single '.' per 1000000 loads/stores over the
serial. This output is not captured, but may be used by developers to
gauge the number of possible interactions.
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Julian Ganz <neither@nut.email>
Message-ID: <20251027110344.2289945-32-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
We do have a number of test-case for various architectures exercising
their interrupt/exception logic. However, for the recently introduced
trap API we also want to exercise the logic for double traps on at least
one architecture.
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Julian Ganz <neither@nut.email>
Message-ID: <20251027110344.2289945-31-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
We recently introduced plugin API for the registration of callbacks for
discontinuity events, specifically for interrupts, exceptions and host
call events. The callback receives various bits of information,
including the VCPU index and PCs.
This change introduces a test plugin asserting the correctness of that
behaviour in cases where this is possible with reasonable effort.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Julian Ganz <neither@nut.email>
Message-ID: <20251027110344.2289945-30-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
We recently introduced API for registering callbacks for trap related
events as well as the corresponding hook functions. Due to differences
between architectures, the latter need to be called from target specific
code.
This change places hooks for xtensa targets.
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Julian Ganz <neither@nut.email>
Message-ID: <20251027110344.2289945-29-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
We recently introduced API for registering callbacks for trap related
events as well as the corresponding hook functions. Due to differences
between architectures, the latter need to be called from target specific
code.
This change places an exception hook for TriCore targets. Interrupts are
not implemented for this target and it has no host calls.
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Julian Ganz <neither@nut.email>
Message-ID: <20251027110344.2289945-28-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
We recently introduced API for registering callbacks for trap related
events as well as the corresponding hook functions. Due to differences
between architectures, the latter need to be called from target specific
code.
This change places hooks for SPARC (32bit and 64bit) targets. We treat
any interrupt other than EXTINT and IVEC as exceptions as they appear to
be synchroneous events.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Julian Ganz <neither@nut.email>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20251027110344.2289945-27-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
We recently introduced API for registering callbacks for trap related
events as well as the corresponding hook functions. Due to differences
between architectures, the latter need to be called from target specific
code.
This change places hooks for SuperH targets.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Yoshinori Sato <yoshinori.sato@nifty.com>
Signed-off-by: Julian Ganz <neither@nut.email>
Message-ID: <20251027110344.2289945-26-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
We recently introduced API for registering callbacks for trap related
events as well as the corresponding hook functions. Due to differences
between architectures, the latter need to be called from target specific
code.
This change places hooks for IBM System/390 targets. We treat "program
interrupts" and service calls as exceptions. We treat external and io
"exceptions" as well as resets as interrupts.
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Julian Ganz <neither@nut.email>
Message-ID: <20251027110344.2289945-25-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
We recently introduced API for registering callbacks for trap related
events as well as the corresponding hook functions. Due to differences
between architectures, the latter need to be called from target specific
code.
This change places hooks for Renesas Xtreme targets.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Yoshinori Sato <yoshinori.sato@nifty.com>
Signed-off-by: Julian Ganz <neither@nut.email>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20251027110344.2289945-24-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
